Weather in Bilbao in April
April in Bilbao is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
In Spain, this is how Bilbao actually wears April, not how a country centroid would. Compared with August and January, April sits in the middle of Bilbao's year.

- Average temp
- 13°C
8–18°C
- Rainfall
- 96 mm
Showers likely
- Sunshine
- 4.8 h
hours per day
What to expect
Daytime
Mild afternoons in Bilbao are the prize in April. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
Mixed skies in Bilbao in April. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Rain jacket
A layer for cooler evenings
Where to stay in Bilbao
Dates are a starting point for April.

Travel guides for Bilbao
What to read before you book.
Average weather in Bilbao
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FAQs about Bilbao
Climate averages for Bilbao, 1991–2020.
The best time to visit Bilbao is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 21°C.
November is the wettest month, with about 170 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
